https://en.wikipedia.org/wiki/Show_and_tell

Here Openbox provides a pop-up menu which includes xterm. A2 provides
the Oberon subsystem which has a text-based user interface.
https://en.wikipedia.org/wiki/Text-based_user_interface#Oberon

I added a few gadgets, such as a clock, to Oberon but it remains
text-based.

The primary supplement to human memory is the "user tool" outlined in
red here. https://easthope.ca/Interface.jpg

Regards,                    ... P.

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